39
11.5 Fusing
It is recommended that all voltage lines are
fitted with 1 amp HRC fuse.
11.6 Earth/Ground Connections
For safety reasons, CT secondary
connections should be grounded in
accordance with local regulations.
12. Connection Diagrams
3P4W UNBALANCED LOAD
DIGITAL METERING SYSTEM
2
5
8
11 1
3
4
6
7
9
SUPPLY
P1
S1
S1
P1
P1
S1
L1
L2
L3
N
13
14
L N
AUX
L
O
A
D
3P3W UNBALANCED LOAD
DIGITAL METERING SYSTEM
P1
S1
P1
S1
L N
AUX
SUPPLY
L1
L2
L3
L
O
A
D
2
11
8
3
7
9
1P2W
DIGITAL METERING SYSTEM
2 11 1
3
13
14
L N
AUX
SUPPLY
P1
S1
N
L
O
A
D
L
1P3W
DIGITAL METERING SYSTEM
2
5
11 1
3
4
6
SUPPLY
P1
S1
S1
P1
L1
L2
N
13
14
L N
AUX
L
O
A
D